Filters are suitable for use with the HM8500 half mask and the FM9500 full-face mask. Spirotek filters with a bayonet closure and a special protective cover, which ensures protection of the filter against splashes and sparks. Filters against solid particles, gases and vapors, and combined Spirotek 2 filters have a long usage time and ensure low breathing resistance. The Spirotek 2 filter range includes the P3 filter against solid particles, A2 and ABEK1 filters against gases and vapors, and finally, combined filters A2P3, A1B1E1K1P3. Standard: EN 143 and EN 14387.